doc: add overview of qat guide

Add overview of QAT doc sections and link between them.
Indent to next level all sections within
the crypto and common sections.

Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Tomasz Jozwiak <tomaszx.jozwiak@intel.com>
This commit is contained in:
Fiona Trahe 2018-08-10 15:10:51 +01:00 committed by Pablo de Lara
parent aa38c849cf
commit 59ad25fe21
2 changed files with 31 additions and 17 deletions

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@ -46,4 +46,4 @@ Installation
The QAT compression PMD is built by default with a standard DPDK build.
It depends on a QAT kernel driver, see :ref:`qat_kernel_installation`.
It depends on a QAT kernel driver, see :ref:`building_qat`.

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@ -4,7 +4,19 @@
Intel(R) QuickAssist (QAT) Crypto Poll Mode Driver
==================================================
The QAT PMD provides poll mode crypto driver support for the following
QAT documentation consists of three parts:
* Details of the symmetric crypto service below.
* Details of the `compression service <http://dpdk.org/doc/guides/compressdevs/qat_comp.html>`_
in the compressdev drivers section.
* Details of building the common QAT infrastructure and the PMDs to support the
above services. See :ref:`building_qat` below.
Symmetric Crypto Service on QAT
-------------------------------
The QAT crypto PMD provides poll mode crypto driver support for the following
hardware accelerator devices:
* ``Intel QuickAssist Technology DH895xCC``
@ -14,7 +26,7 @@ hardware accelerator devices:
Features
--------
~~~~~~~~
The QAT PMD has support for:
@ -57,7 +69,7 @@ Supported AEAD algorithms:
Limitations
-----------
~~~~~~~~~~~
* Only supports the session-oriented API implementation (session-less APIs are not supported).
* SNOW 3G (UEA2), KASUMI (F8) and ZUC (EEA3) supported only if cipher length and offset fields are byte-multiple.
@ -69,7 +81,7 @@ Limitations
Extra notes on KASUMI F9
------------------------
~~~~~~~~~~~~~~~~~~~~~~~~
When using KASUMI F9 authentication algorithm, the input buffer must be
constructed according to the
@ -87,9 +99,11 @@ Also, offset of data to authenticate "op.sym.auth.data.offset"
must be such that points at the start of the COUNT bytes.
Building the DPDK QAT cryptodev PMD
-----------------------------------
.. _building_qat:
Building PMDs on QAT
--------------------
To enable QAT crypto in DPDK, follow the instructions for modifying the compile-time
configuration file as described `here <http://dpdk.org/doc/guides/linux_gsg/build_dpdk.html>`_.
@ -140,7 +154,7 @@ devices to applications.
Device and driver naming
------------------------
~~~~~~~~~~~~~~~~~~~~~~~~
* The qat cryptodev driver name is "crypto_qat".
The "rte_cryptodev_devices_get()" returns the devices exposed by this driver.
@ -164,7 +178,7 @@ Device and driver naming
Available kernel drivers
------------------------
~~~~~~~~~~~~~~~~~~~~~~~~
Kernel drivers for each device are listed in the following table. Scroll right
to check that the driver and device supports the service you require.
@ -204,7 +218,7 @@ If you are running on a kernel which includes a driver for your device, see
Installation using kernel.org driver
------------------------------------
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The examples below are based on the C62x device, if you have a different device
use the corresponding values in the above table.
@ -275,7 +289,7 @@ To complete the installation follow the instructions in
Installation using 01.org QAT driver
------------------------------------
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Download the latest QuickAssist Technology Driver from `01.org
<https://01.org/packet-processing/intel%C2%AE-quickassist-technology-drivers-and-patches>`_.
@ -369,12 +383,12 @@ To complete the installation - follow instructions in `Binding the available VFs
Binding the available VFs to the DPDK UIO driver
------------------------------------------------
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Unbind the VFs from the stock driver so they can be bound to the uio driver.
For an Intel(R) QuickAssist Technology DH895xCC device
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The unbind command below assumes ``BDFs`` of ``03:01.00-03:04.07``, if your
VFs are different adjust the unbind command below::
@ -387,7 +401,7 @@ VFs are different adjust the unbind command below::
done
For an Intel(R) QuickAssist Technology C62x device
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The unbind command below assumes ``BDFs`` of ``1a:01.00-1a:02.07``,
``3d:01.00-3d:02.07`` and ``3f:01.00-3f:02.07``, if your VFs are different
@ -407,7 +421,7 @@ adjust the unbind command below::
done
For Intel(R) QuickAssist Technology C3xxx or D15xx device
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The unbind command below assumes ``BDFs`` of ``01:01.00-01:02.07``, if your
VFs are different adjust the unbind command below::
@ -420,7 +434,7 @@ VFs are different adjust the unbind command below::
done
Bind to the DPDK uio driver
~~~~~~~~~~~~~~~~~~~~~~~~~~~
^^^^^^^^^^^^^^^^^^^^^^^^^^^
Install the DPDK igb_uio driver, bind the VF PCI Device id to it and use lspci
to confirm the VF devices are now in use by igb_uio kernel driver,
@ -461,7 +475,7 @@ QAT compression PMD can be tested by running the test application::
Debugging
----------------------------------------
~~~~~~~~~
There are 2 sets of trace available via the dynamic logging feature: